AMD Radeon HD 6990M Rebrand vs AMD Radeon E9173 PCIe

VS

AMD Radeon HD 6990M Rebrand AMD Radeon E9173 PCIe

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 2GB VRAM Radeon E9173 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Larger VRAM bandwidth (70.40GB/s vs 48.00GB/s)

288 additional rendering cores

AMD Radeon E9173 PCIe 's Advantages

Released 6 years and 3 months late

Boost Clock1219MHz

More VRAM (2GB vs 1GB)

Lower TDP (35W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +2%

1.28 TFLOPS

Radeon E9173 PCIe

1.248 TFLOPS

Radeon HD 6990M Rebrand

VS

Radeon E9173 PCIe

Graphics Card

Jul 2011

Release Date

Oct 2017

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1124 MHz

-

Boost Clock

1219 MHz

1100 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

48.00GB/s

Render Config

-

SM Count

-

14

Compute Units

8

800

Shading Units

512

40

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

19.50 GPixel/s

32.00 GTexel/s

Texture Rate

39.01 GTexel/s

-

FP16 (half)

1248 GFLOPS

1280 GFLOPS

FP32 (float)

1248 GFLOPS

-

FP64 (double)

78.02 GFLOPS

Graphics Processor

Broadway

GPU Name

Lexa

Broadway XTX

GPU Variant

E9170

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

2.2 billion

166 mm²

Die Size

103 mm²

Board Design

100W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

1x DisplayPort 1.4a 2x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

6.4

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